SOR Multi Point RF Level Switch - Manual (Page 14)

14/36 Form 677 (05.13) ©SOR Inc.
Calculated set point set up Continued from page 9.
The pf value from worksheet line 11 should still be injected. Turn set point 1 adjust pot CW
until its Presence LED lights and then CCW to the point where the LED goes off.
Slowly cycle the LED on and off as required to find the precise threshold at which the LED
goes off.
Disconnect the probe lead and the probe ground lead from the capacitor substitution box
terminals. Connect the probe lead and the probe ground lead to the probe. Continue with
output wiring from the bottom of this page.
Model 661 Set Point Set up and Output Wiring
Actual Level set point set up Continued from page 8.
Process level must be steady at set point 1 level. Turn set point 1 adjust pot CW until its
Presence LED lights and then CCW to the point where the LED goes off.
Slowly cycle the Presence LED on and off as required to find the precise threshold at which
the LED goes off. Continue with output wiring from the right side of this page.
Set Point 1 Adjust
*Presence LED
*On Delay
*Off Delay
Relay On LED
Failsafe Hi/Lo
Set
Point 1
Terminals LEVEL LEVEL
OFF
ON
OFF
ON TIME DELA
Y
SET POINT #2
SET POINT #1
TIME DELA
Y
LEVEL LEVEL
OFF
ON
OFF
ON
SET POINT #4
SET POINT #3
RELAY
FAILSAFE
RANGE SPAN
RELAY
FAILSAFE
RELAY
FAILSAFE
RELAY
FAILSAFE
TIME DELA
Y TIME DELA
Y
*When the time delay option
is not specified:
Relay On LED functions as
Presence
LED
Starred parts not supplied